Holley Accelerator Pump Arm - Metal 30cc Crank Mandrel Spacer Quickly and easily measure shock

Quickly and easily measure shock travel on compression and rebound

2015-2018 Chevrolet Colorado

and minimize pressure from the seat belt

these gauges automatically calibrate on every startup to compensate for altitude

RaceAir Pro

Holley Accelerator Pump Arm - Metal 30cc Crank Mandrel Spacer Quickly and easily measure shockMetal 30cc accelerator pump arm Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and